20522120414125 has 128 divisors (see below), whose sum is σ = 29671813416960. Its totient is φ = 14030585856000.

The previous prime is 20522120414113. The next prime is 20522120414129. The reversal of 20522120414125 is 52141402122502.

It is not a de Polignac number, because 20522120414125 - 2¹³ = 20522120405933 is a prime.

It is a super-2 number, since 2×20522120414125² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522120414129) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 361677757 + ... + 361734493.

It is an arithmetic number, because the mean of its divisors is an integer number (231811042320).

Almost surely, 2^{20522120414125} is an apocalyptic number.

20522120414125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20522120414125 is a deficient number, since it is larger than the sum of its proper divisors (9149693002835).

20522120414125 is a wasteful number, since it uses less digits than its factorization.

20522120414125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57032 (or 57022 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 20522120414125 its reverse (52141402122502), we get a palindrome (72663522536627).

The spelling of 20522120414125 in words is "twenty trillion, five hundred twenty-two billion, one hundred twenty million, four hundred fourteen thousand, one hundred twenty-five".